Merge "Override notification allowed sources flag." into udc-mainline-prod am: 659061b4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Permission/+/25786509



Change-Id: I3abb414f10dc0a51f5527b69de3157577f61a3d6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>